2005 BMW X5 vs. 2013 Mercedes-Benz SLS
To start off, 2013 Mercedes-Benz SLS is newer by 8 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 6,300 cc (8 cylinders), 2013 Mercedes-Benz SLS is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SLS (575 HP @ 6800 RPM) has 360 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2013 Mercedes-Benz SLS should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 506 kg more than 2013 Mercedes-Benz SLS.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2013 Mercedes-Benz SLS. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2013 Mercedes-Benz SLS (649 Nm @ 4750 RPM) has 129 more torque (in Nm) than 2005 BMW X5. (520 Nm @ 2000 RPM). This means 2013 Mercedes-Benz SLS will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5.
Compare all specifications:
| 2005 BMW X5 | 2013 Mercedes-Benz SLS | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | SLS |
| Year Released | 2005 | 2013 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 2926 cc | 6300 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 575 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 520 Nm | 649 Nm |
| Torque RPM | 2000 RPM | 4750 RPM |
| Engine Bore Size | 84 mm | 102 mm |
| Engine Stroke Size | 90 mm | 94 mm |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 330 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 4-speed manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1664 kg |
| Vehicle Length | 4670 mm | 4638 mm |
| Vehicle Width | 1880 mm | 2075 mm |
| Vehicle Height | 1720 mm | 1261 mm |
| Wheelbase Size | 2830 mm | 2680 mm |
